Yeah, my favorite was Waking the Dragons. The Orichalcos leader (Darts was it?) was an interesting bloke. The seal of Orichalcos is cool how it takes control of people.
Exactly. Hence why she did not appear in any relevant arcs
You make it sound like the filler arcs weren't relevant, when they provided a lot more character development than the normal arcs did. The Yu-Gi-Oh! filler arcs were actually interesting, even if some of them ended terribly, like the Virtual World arc. I'm now hating how Noah's fate was changed in the dub, though.
I used to be a big fan of Yu-Gi-Oh!, but I soon lost interest during GX. I watched all of the original series (I loved Waking the Dragons), and some of GX. I liked it, but not as much as the original. I just didn't care about the characters anymore. Neither of the latest series appeal to me at all.
In fact the first arc I saw all the way through was the Virtual Arc which was extremely successful in deepening a main character's backstory without compromising the original attitude the manga held. Noa was also an interesting addition and his sacrifice right at the end, i agree, really pissed me off that it wasn't featured in the american dub. From that we got to see a different side to the Kaiba brothers, Gozaburo - mainly Seto but still.
GX made me life fusions better. Yugi had to grow up at some point. Not a big fan of 5D though. Its just a stupid idea dueling on motorcycles? #stupid